20008756180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{273269}}^1$

素因数の和:273808

約数の個数: 48

約数和(自身を含む): 48113009280

約数和(自身を除く): 28104253100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 1046, 2092, 2615, 3661, 5230, 7322, 10460, 14644, 18305, 36610, 73220, 273269, 546538, 1093076, 1366345, 1912883, 2732690, 3825766, 5465380, 7651532, 9564415, 19128830, 38257660, 142919687, 285839374, 571678748, 714598435, 1000437809, 1429196870, 2000875618, 2858393740, 4001751236, 5002189045, 10004378090, 20008756180]

約数ペア:

[(1, 20008756180), (2, 10004378090), (4, 5002189045), (5, 4001751236), (7, 2858393740), (10, 2000875618), (14, 1429196870), (20, 1000437809), (28, 714598435), (35, 571678748), (70, 285839374), (140, 142919687), (523, 38257660), (1046, 19128830), (2092, 9564415), (2615, 7651532), (3661, 5465380), (5230, 3825766), (7322, 2732690), (10460, 1912883), (14644, 1366345), (18305, 1093076), (36610, 546538), (73220, 273269)]